[ Modal Verbs ]
Residents in the Blackwood área complained last night that they ____ warned about the escape of a dangerous snake.
A. must have been
B. should have been
C. had to be
D. needn’t have been
Select your answer:
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Grammar - Capitalization and Possessive NounsPast and Present TensesPast Tense, Recount Text, and Future TenseSuperlative AdjectivesClause Markers TOEFL GrammarCan/CouldPresent Progressive TenseIf ClausesConditional ClauseOther quiz:
Verb Tenses › ViewI ______ hello because you _______ very fast.
A. didn’t say, walked
B. didn’t say, were walking
C. hadn’t said, had walked
D. say, walk
Grammar and Vocabulary › View
They searched the house from ____ to bottom, but couldn’t find their keys.
A. upstairs
B. front
C. top
D. roof